Firefighting foam effective against flammable liquid fires.
FirefightingFoamSafetyChemical
Current best complexity is 6:
AFFF can be discovered in Concepts, categorized under Firefighting, Foam, Safety, Chemical. Firefighting foam effective against flammable liquid fires.
It has been discovered by 5 boards and crafted 5 times, first appearing 2 months ago. AFFF can be created from 1 recipe, and goes on to appear as an ingredient in 40 others.
AFFF was first discovered by orava's bored 2 months ago. They also hold the lowest-complexity recipe, at 6.
Related concepts worth exploring include Hydrogen Peroxide, Bleach, Napalm, Sulfuric Acid, Tar, Siren, and 6 more.